Comparison

e85Cal vs E85 App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

e85Cal

This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.

Highlights
  • Calculate ethanol percentage goal
  • Enter gas tank size
  • Input standard pump gas ethanol %
  • Input ethanol pump gas ethanol %
  • Set target ethanol % mix
  • Enter current fuel level %
Features
Read full description

e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.

About

E85 App

Find real E85 fuel stations with live pricing and community-verified ethanol content. Calculate custom fuel blends, track savings, and showcase your vehicle's build. Works offline and offers CarPlay integration.

Highlights
  • Live E85 station map
  • Freshness-dated prices
  • Community-verified ethanol content
  • Custom blend calculator
  • Cost-per-mile tracking
  • Car builds showcase
  • Offline station access
Features
Read full description

E85 App tells you what no pump label will: what's ACTUALLY in the pump. Community-verified ethanol content, freshness-dated prices, and a blend calculator built for people who take their fuel seriously. FIND REAL E85, FAST • Every public E85 station in the US on a live map — government database + community submissions • Live prices refreshed all day, every day, nationwide — freshness-dated with confidence ratings, so you know whether "$2.49" was reported an hour ago or last month • Filter for stations with verified high ethanol content • Route planner: find E85 along your trip, not just around you • Add a station you're standing at in a couple taps • Works offline — stations and favorites are cached KNOW WHAT'S IN THE PUMP Pump labels lie. "E85" can legally be anywhere from 51% to 83% ethanol, and winter blends run lean. E85 App's community reports actual tested ethanol content per station — and even shows how it shifts season to season. The only ethanol truth map anywhere. NAIL YOUR BLEND • Mix E85 with pump gas to hit any target — E30, E50, E70, whatever your tune calls for • Accounts for what's already in your tank and the pump's real ethanol % • Cost-per-mile comparison so you know E85 is actually saving you money • Pump Assistant guides the two-step splash blend right on your Lock Screen • Tracks lifetime savings across every fill-up SHOW OFF YOUR BUILD • Showcase your E85 car in the Build Gallery — photo, mods, power, and real savings receipts • Vote on other builds; the community crowns a Car of the Week every week • Shareable build cards to flex your setup anywhere BUILT FOR CAR PEOPLE • Garage with your vehicles: tank size, max ethanol, mods, tune notes • CarPlay: nearby stations and prices on your dash • Home-screen and Lock Screen widgets: nearest E85 price and lifetime savings • Ask Siri to find E85 near you POWERED BY DRIVERS LIKE YOU Report prices, ethanol tests, photos, and available blends — with your name on them. Every contribution carries your @username, so the community knows who keeps the map honest. Earn XP, build daily streaks, take on a daily challenge, climb the leaderboard, and redeem rewards. See how many drivers are running E85 near you right now. STAY IN THE LOOP Favorite your stations and get a heads-up the moment E85 drops there — plus a daily pulse on what moved near you. Free to use. E85 Pro adds the tuner toolbox — full dyno history, overlay graphs, PRO flair — plus no ads. Find E85. Mix it right. Save on every fill. ——— SUBSCRIPTION E85 App offers an optional auto-renewing subscription, E85 Pro: full dyno run history, overlay comparison graphs, PRO leaderboard flair, and an ad-free experience. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your Apple ID Account Settings after purchase. Any unused portion of a free trial, if offered, is forfeited when you purchase a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://e85app.com/privacy

Screenshots

e85Cal2 screens
E85 App4 screens

Verdict

The call

The clearest difference is in-app purchases: e85Cal at none against E85 App's 3. e85Cal also leads on ads (none vs shown) and review sentiment (83% vs 52%). E85 App's advantage is update cadence (weekly vs every 4 months). On price, ratings volume and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. E85 App sells 3 in-app purchases, starting at $2.99 per month. e85Cal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

e85Cal holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 37 and 64 respectively. Written reviews point the same way: 83% of e85Cal's written reviews are positive against 52% of E85 App's.

UpkeepUpdate frequency

e85Cal ships an update every 4 months, E85 App weekly. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
e85Cal versus E85 App: the parameters behind the verdict, then further details
Parametere85CalE85 App
PriceFreeFree
Rating4.7 (37 ratings) — better4.4 (64 ratings)
Positive reviews83.3% of reviews — better52.1% of reviews
Number of ratings3764 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.1 — better17.0
Further details — not scored
Size15 MB28 MB
Age rating4+4+
DeveloperMichael JoeAhmed Elsayed

Customer experience

e85Cal

All ratings35 ratings
Positive91.4%
Neutral0.0%
Negative8.6%
Written reviews12 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

E85 App

All ratings64 ratings
Positive84.4%
Neutral3.1%
Negative12.5%
Written reviews48 reviews
Positive52.1%
Neutral10.4%
Negative37.5%

Bugs and requests

e85Cal

Not enough reviews yet to summarise bugs or requests.

E85 App

Reported bugs

10 issues
  • Black screen after updates
  • App shows blank black screen
  • App deleted account after sign out
  • Ads are uncloseable
  • Coinbase ad cannot be closed
Show 5 more
  • App shows loading wheels indefinitely
  • Constant loading screen
  • Map and station list not populating
  • Calculator not appearing
  • App doesn't work after first use

Requested features

7 requests
  • Add option to add/suggest stations
  • Make search easier
  • Improve money log keypad
  • Make favorites more accessible
  • Add live, up-to-date prices
Show 2 more
  • Option to choose map vs. details on station click
  • Allow users to add locations

In-app purchases

None

e85Cal

No in-app purchases

3 purchases

E85 App

Subscriptions2
  • E85 Pro Monthly$2.991 Month
  • E85 Pro Yearly$19.991 Year
One-time1
  • Remove Ads$5.99

Questions

Is e85Cal free?
e85Cal is free to download, with no in-app purchases.
Is E85 App free?
E85 App is free to download, with in-app purchases available.
Which has better reviews, e85Cal or E85 App?
e85Cal is rated higher. e85Cal averages 4.7 out of 5 from 37 ratings, while E85 App averages 4.4 from 64 ratings.
Do e85Cal or E85 App have ads?
E85 App shows ads; e85Cal does not.
Which is updated more often, e85Cal or E85 App?
e85Cal ships an update every 4 months, and E85 App weekly. Most recently, e85Cal was updated on October 24, 2026 and E85 App on November 3, 2026.

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